Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"chiem vi thi snippets" » "nghiem vi thi snippets", "chinh vi thi snippets", "nhiem va thi snippets", "chiem vu thi snippets", "chiem vo thi snippets", "chiem va thi snippets", "chiem vi thi slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("chiem vi thi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chiem vi thi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chiem vi thi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chiem vi thi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.